"acceptedAnswer": { The LS swap is no doubt still going strong, but if youre planning to run an automatic behind your 4.8, 5.3, or 6.0L LS-powered ride, youll need to pay attention to a few items we discuss in this buyers guide. Can you tell me what year this engine is The location of this code depends on the type of engine, as follows: Small Block Chevy: Machined pad in front of the passenger side cylinder head. It could have been left over and sold as a replacement. hq data on the topic of my presentation topic, whch i am oing to delier ED-IY | In all, the only thing you need to worry about is the 7 to 8-digit engine serial number, which can be found stamped on a plate onto the engine block. Newest [ January 23, 2023 ] . With a smaller overall engine block, this also means that the pistons have smaller bores, and the strokes are also shorter. The engine VIN also contains six digits that are used to denote the last six digits of the vehicles VIN. Strong background in facilitating adult education including analysis, design, development, implementation, and evaluation of training programs. The first one, 0 would show off what year it was assembled in, as 67997 is its serial number. Operates automotive equipment including electrical (scopes, DMMs, and logic probes), drivability (including scan tools and programming capabilities), alignment, brakes, HVAC, engines, and automatic transmissions. In some cases, you could use the ESN to know if the engines gone through serious, Application (contains details around the powertrain, such as whether it has carburetors or, Engine VIN (this is to specify the generation of engine it belongs to), Vehicle it was fitted on (the model name, and it might also include comments on what type of vehicle it may have alternatively been powered by it). Engine code EN = 1957 Corvette, 283 283hp, Fuel Injected, Cold Air Induction (Air Box car). (Air Conditioning), Powerglide Transmission, 4bbl Carb w/ C.A.C. AI: "acceptedAnswer": { The first letter of the stamp tells us where the engine was assembled. Otherwise, if you know the specific model or variant of your vehicle, a quick Google search can tell you what type, displacement, or layout your engine is, without needing the VIN at all. Want to know the information about your GM/Chevy engine? Often hidden by the alterator. (Smog Pump) Taxi, 3-speed Manual Transmission w/ A.I.R. The first 4 or 5 letters / numbers usually provide enough technical information for a car parts supplier to find the right engine related car part for you. Using that analogy, an engine serial number, or just engine number to some, is similar to how a VIN works. in school. From 1964-1967, the partial VIN# on the block was stamped on all engines with at least 300HP. The location of this code depends on the type of engine, as follows: Small Block Chevy: Machined pad in front of the passenger side cylinder head. We will not consider information that is not backed by verifiable GM references. Once you've located the 17-digit VIN, look at the 8th digit. On V8 engines the suffix codes can be lost when the engine block cylinder deck is milled. Three letters from 1970 on. Welcome to Motor Verso. The stamped assembly date is according to GM 1957 production records, past the final assembly month (September 1957) for 1957 Chevrolet passenger cars. To make things easier, theyve also split these suffixes into separate pages. Have 283 engine w/ 1957 -548 cylinder block, casting date December 2, 1956 with stamped number T1019SC (Tonawanda assembly plant, assembly date October 19, 1957, Bel Air series, Powerglide, 4bbl carburetor). JavaScript is disabled. However, while the humble small block engine has less power and torque by default, you can easily tune an SBC to produce far more power than most big block engines. All engines are stamped with an engine ID code which consists of a prefix and a suffix. It also expands that list for IDs on your crankshaft, engine head, intake manifolds, and other parts. As you can see, running your engine ID through a Chevy engine serial number lookup should be fairly straightforward. We are not in any way responsible for the success and / or safety of your vehicle repair. Richard S = This is the suffix code which identifies the engine size, type of transmission, and . Along with the engine code you will find the engine block VIN. the engine suffix code. It contains information about the vehicles assembly, power output figures, the make and model of the Chevy vehicle, as well as the engine displacement. If wed have to give you an example, it would appear something like CE067997. The CML that follows is the suffix code. The digit denoting the month is usually a letter between A and L but can include numerical numbers in some instances, with 1 indicating January and 12 indicating December. Chevrolet Block Identification number locations. Registries for Chevelle/Camaro/Nova/HHR. For a better experience, please enable JavaScript in your browser before proceeding. However, you might also find many engines with an ID starting with CE. (Smog Pump) & C.A.C. Therefore, the following rollover in the registry would use the serial number (following our example earlier), CE0A67997. Reply, Your email address will not be published. The letters "EM" indicate that this engine is a 283-cubic inch unit that was installed into a Corvette with a three-speed manual transmission and fuel injection. This suffix code is where the gritty details can be verified, as the suffix code will provide original assembly line application, horsepower, and much more. . CGR - CZU | Suffix codes are listed in alphabetical order by year. If you want to figure out your engine size, you could do so by checking the engine serial number and block casting number. Chevrolet Engine Block Numbers. If you have a correction or addendum to the information presented, feel free to contact us. vehicle identification Suffix codes provide more granular data, " this is a 283 CID V8 assembled for a 1964 Chevy II with 4-speed transmission and air conditioning. Is this really a thing that you should be concerned about? Hello human, I am a GPT3 powered AI chat bot. Copyright | Privacy Policy | Warranty & Returns | Use Disclaimer. Each type of engine is broken down in the links below and each type entries Showing 1 to 10 of 2,069 entries Previous Next Big Block Engine Serial Number Lookup Enter your engine SUFFIX CODE in the Search box below. However, while the vast majority out there associate this classically homegrown Detroit brand with cars, wed sometimes forget theyre a maker of engines, as well. hz The suffix code for 6 cylinder engines can be found stamped on a pad near the distributor. Yet, Chevy also makes robust SUV and truck engines that could, at times, outlast its owner, let alone putting 1,000,000+ problem-free miles on the clock. C - CLX | CM - CTZ | D - HZ | IA - ZN (Does not include Txx coded truck engines) |. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. Leave a comment and tell me what you couldnt find as expected from this post. A.I.R. However, while the humble small block engine has less power and torque by default, you can easily tune an SBC to produce far more power than most big block engines." Chevrolet did not begin using suffix codes consisting of three characters until 1970 or thereabouts. After being stored away for decades, Bob finally finished his big block powered '36 Chevy coupe Having issues fitting headers into your car/engine? Your email address will not be published. My question is why is the date stamp in 2 totally different locations?? This is your engine code, which you can then use a VIN decoder tool on the web to figure out what specific engine your car has. Ask me anything car related and see if I can help you today. 1 - The first digit is a letter that indicates the engine manufacturing plant. On the flip side, the suffix caps off an engine ID with either 2 to 3 digits, detailing some noteworthy specifications of the engine. Is it the original for the vehicle? The prefix comes first in the engine ID and contains 5 digits relating to its production. Thanks in advance. I'm the MotorVerso.com AI Car Expert. Meanwhile, an engine serial number is stamped onto a machined pad once the engine has been fully assembled. Often hidden by the alterator. The 230 & 250 L6 can share the same suffix codes and block casting number. However, you'll want to be cautious about what particular production year you're getting it from. 1964 67 Chevy II V8 engines do not share suffix codes with other Chevy passenger cars due to their unique engine blocks. 0FC, 0XA, 1XJ, etc. If it is not a big block, then it would be a pre 1964 passenger (not Corvette) block. C - CLX | One source indicated FC application for 2400 series 1957 Chevrolet - Bel Air(?). All these are identified here. If you're looking at the engine code - this is already known. Small Block Chevy Toating Assembly, 383 dish .110"5.7 Rods. The VIN code of 030C10296 is strange also. 2. Reply, I have a 1969 small block chev that I would like help to verify what it is.block cast number is (3970010) the stamped number on cylinder head deck are ko4 13 ckj another one 321283 and the last is 231517240.Any and all help would be appreciated.ThanksJerry Lizotte Ontario CanadaOn 19/08/2022 at 4:27 pm Can someone tell me what info that is? We have a team of writers working daily on common car problems. 2014 2018 Impala Water in Trunk: Why, What to Do? When you purchase through links on our site, we may earn an affiliate commission, which supports our community. - trim codes GM body designation. Roch E4ME carb. 1962 - 67 L4 & L6 manual trans cars used the 3-speed transmission. },{ Quite simply, an engine serial number for your Chevy can be found on the engine itself. "@type": "FAQPage", If you're looking at the casting # information and it mentions 3970010 "A/F/X/Y/B". basically this means "it's used in everything", whereas if it simply states "Y" this means Corvette. Enter your engine SUFFIX CODE in the Search box below. Suffix codes are listed in alphabetical order If you discover a code you believe to be in error or can Engine Suffixe Code Year C.I.D. 1962-69 Chevrolet engine codes decoder reveals the code prefix location, engine performance, displacement, and configuration. A Chevy engine serial number is a unique ESN (electronic serial number) used to identify every Chevy vehicle. With a smaller overall engine block, this also means that the pistons have smaller bores, and the strokes are also shorter. This article provides helpful hints on ways to modify or add parts to make the headers fit in your specific car. name Blue Seal Certified Author of auto/truck repair information. Copyright 2017 - 2021 Northwest Nova All Rights Reserved.Northwest Nova is in no way affiliated with General Motors or its subsidiaries. Thank you for your time, I have a 283 stamped F0202D & also 3756519 which I believe denotes a 58-62 28. Look up what your GM engine serial number means here: GM/Chevy Engine Serial Number Lookup. "@context": "https://schema.org", These four digits are the numeric code for the day and month. Many folks want to know where to look for these Chevy engine casting numbers and codes on blocks and cylinder heads so we decided to put these pages with photos together to help you find them. codes listed. The engine serial number in big and small Chevy engines is denoted by seven digits, each symbolizing a specific detail. "text": "There are numerous ways to tell what specific engine you have in your car. Otherwise, you'll have to lift your car and get underneath it to then find the casting number, near the engine and transmission. Sling Ray Car: What Makes This Car One of a Kind? = Air Injection Recirculation OR Air Induction Reactor (Smog Pump). This post provides you with a detailed explanation about stamping numbers on a GM/Chevy engine. There are over 1300 pages and 8500 images - vin "acceptedAnswer": { V8 passenger side front of engine on pad in front of cylinder head. Chevy V8 Casting Number Locations (Part 1) We get a number of inquiries regarding casting numbers, engine build dates and engine assembly/suffix codes. var iframeprops='width=950 height=250 marginwidth="0" marginheight="0" hspace="0" vspace="0" frameborder="0" scrolling="no"' How Do I Decode a VIN on a 1969 Chevy How to Identify Engine Year for a Ford 57 chevy belair hood ornament image by Jorge Moro from, Copyright 2023 Leaf Group Ltd. / Leaf Group Media, Chevy Old Car Manual Project: 1941-1957 Engine Serial Number Information. ID Chevy engines If it's a 283, suffix code " WA " is for a 1965, '66, or '67 Chevy truck, RPO L32, 2 bbl w/manual trans. (541) 788-2191. 283 engine code. DISCLAIMER This information is provided as a courtesy to the Chevy II enthusiast. Can you provide the exact stamped/cast codes? The easiest method is by finding your cars VIN number. Engine Code Stamping Numbers. The block date code is then used to identify displacement. name An adaptable, detail-oriented, world-class automotive technician with a demonstrated track record of experience in product/technical support, automotive shop management, diagnostics, root cause analysis, maintenance/repairs, quality assurance, customer service, training and mentoring, and staff supervision. Blue Seal Certified Author of auto/truck repair information. Roch E4ME carb. Unlike VIN, which follows a standardized 17-digit pattern, engine numbers are unique to each manufacturer. (Air Conditioning), Manual Transmission w/ A.I.R. } As the name infers, the casting number is cast into the block when the block itself is cast. It should go without saying, but if you do not know what you are doing leave the engine, transmission & suspension work to experienced mechanics. Big Block Chevy: Above timing chain cover. //No need to edit after here - engine numbers Corvette. 6 Best Camshafts For 350 With Vortec Heads 2023 [Review], 10 Best Shocks for Your Silverado 1500 Review [2023]. Nevertheless, while they might lack in outright power, they can compensate for this by being lighter (since they have a smaller footprint). vehicle identification 262 through 400 (more coming.) 45 years in auto/truck industry. These are based on sample engine IDs from Chevys that weve pulled from the web, and lets see what we can learn from them: Remember that as youre trying to figure out the Chevy engine serial number, some models will have a partial VIN stamped next to the engine ID. The engine has a block stamping #3731548, The Vin No. When it comes to the month: Elsewhere, the block casting date will be accompanied by a sequenced casting number. Reply, Vin# 3C144A102500 Block# Con 2 282 3788406 F1003N Head # 4437F1Do you know what size engine this is.On 09/04/2022 at 6:44 pm Use a flashlight if necessary. That said, and if you own a 1991 or earlier classic Chevrolet, it might prove quite useful for you to have on hand. - Prototypes Many factors determine the value of an old Chevy, including whether it still has its original factory-installed engine. Kevin W. explains his build experience with headers. Does that meaning anything to you that will Id the engine? The second stamp decodes F for the Flint Plant, May 18 is the engine assembly date and the HE suffix code stands for a 327 ci 300 hp with a manual . The casting number can inform us of a few key details about the engine. This numbering system applies to service engine assemblies, partial engines, fitted cylinder cases, cylinder cases, transmission assemblies and transmission cases. They help in identifying the assembly factory of the engine block you shave. "text": "As its name implies, small block engines are physically smaller compared to big block engines. . "@type": "Question", The serial number is stamped on a machined pad that is then put on the engine after a full assembly. However, on the big-block V8 engine, the serial number is located on the cover around the timing belt. If you think there is something in error, You can search our database for engine codes which have been specified with requests in the past. Talk to the experts. . Chevy Engine Serial Number Lookup, Small Block (SBC) V8 Engines, Chevy Engine Serial Number Lookup, Big Block (BBC) V8 Engines, Chevy Engine Serial Number Lookup For CE Codes, Chevy Engine Serial Number Lookup: In Conclusion, FAQs On Chevy Engine Serial Number Lookup. On a small block Chevrolet, the casting number is found at the rear of the block on the driver's side (as is with Chevy's big block engines). These casting numbers are well known and documented on several prominent websites such as Mortec and through numerous Chevy ID code books. In this made up example our engine's assembly date is August 1st (08 for the month of August and 01 for the day of the month). The date code identifies various engine details like the month of production, the exact day of production in that month, and the year. (Air Conditioning), Powerglide Transmission w/ A.I.R. In some cars, you can even determine how my cylinders it has, the displacement, additional features, and so on. In order to obtain the actual date of that block manufacture,look for the eng. The VIN is a 17-digit code, and each of those digits can tell you more specifics about that particular Chevy. hx Nor are we liable for any bodily harm or property damage, to you or others, caused by faulty repairs. There are no side mounts for motor support. (Smog Pump), Powerglide Transmission, 4bbl Carb w/ A.I.R. NOTE These listings are compiled directly from original GM source materials. The serial numbers are registered to Chevrolets engine block registry to ensure easier identification. two sources so the accuracy of the codes is not confirmed. The middle 4 digits denote the date the engine was built, with its month and day of production. Note, that the engine number is specific to the engine block, and its different from the chassis number. A forum community dedicated to 1955, 1956, and 1957 Chevy owners and enthusiasts. I cannot figure out what the MA engine suffix code is from. Quickly, A = Chevelle, F = Camaro, X = Nova. 327 Suffix Code. The term CE can also be referred to as Chevrolet Engine. For the most part, yes, Chevy 350 blocks are (nearly) the same. You'll find it on the drivers side on flange ledge fwd. Rebuilding An Engine How Its Done The Right Way. (Smog Pump) & C.A.C. Small Block Chevy Suffix Codes: HR - TBS GM body designation. If the year code is a single digit you'll have to use other block identification codes to confirm decade. "@type": "Answer", document.getElementById("dynstuff") : document.all.dynstuff Roch E4ME carb. Suffix codes for 6 cylinder and small block Chevy passenger car engines. // window.onload=random_iframe, Mac's So, take a look at this engine pad. For 6-cylinder engines, check behind the distributor on the right hand, or passenger, side of the block. Bonus: SBC Head Casting Numbers: Lookup & Full List [FREE Download], Maybe you can help me cant find any numbers pass front r c4J1274863. E.g. In the case of Chevrolet, its engines have a 7 to 8-digit serial code stamped onto the engine block. Generally, you can find the engine VIN stamped next to the engine ID code or below it. I find out some interesting stuff . I'm here to help you with your car. - gmh dealer codes "name": "How To Find Engine Size On Engine Block", Reply, CNN= 1970 350 250hp 2bbl turbo 350 trans. Reply, I have an engine with T11011GRTonawanda November 01But cannot find 1GR and would appreciate any help with this.Thanks CraigOn 07/08/2022 at 3:07 pm Additionally, the 1957 Corvette achieved 0-60 MPH times of 6.6 seconds and was capable of completing a mile pull in just under 15 seconds. Learn more about our writers on our about us page. Speedway Tech Talk - Tru-Ram Exhaust Manifolds, Small Block and Big Block Chevy Engine Flexplate Guide, Ford And Chevy Spindle Options For Solid Axle Hot Rods, Built With Speedway Motors: Bob's 1936 Chevy Coupe. The engine VIN is derived from the vehicles 17-digit VIN and is used to identify the engine only. Ah, but its that 5% of the time when youll need to remember what its ESN was. Reply, I found a unmolested 283 it has F0202D stamped on it & casting # 3756519 which I believe it is a 58-62 283 what are the stamped #? In other vehicles, you may find the serial number located on the flat block just above the timing cover (in some trucks or marine blocks.). Lets find out! The suffix code is FC, not SC, apologies for the typo. Chevy Engine Suffix Code List The company's reputation for durability and superior quality has kept many customers loyal. For example, when it comes to service blocks and crate engines you generally will not get a full engine ID because there wasn't an original application. Suffix codes are R, RA, S, SA, RB, K, SB and SG, with each . Specific numbers identified the time period it was built and its horsepower range. It should be a letter that stands for the assembly plant that manufactured the engine. Check the next two characters, which stand for the day of the month. For example, using the letters and numbers in your ESN, you could figure out if its turbocharged or naturally aspirated. var ie=document.all&&navigator.userAgent.indexOf("Opera")==-1 There were no special "SS only" engines in the 1962 - 67 period. Are physically smaller compared to big block powered '36 Chevy coupe Having issues fitting into. Be accompanied by a sequenced casting number commission, which follows a standardized 17-digit pattern, head. It on the block casting number for any bodily harm or property damage, to you that will ID engine! Cylinders it has, the block Manual Transmission w/ A.I.R. Injected, Air! As a replacement have a team of writers working daily on common car problems ai: `` its... And superior quality has kept many customers loyal a 7 to 8-digit serial code stamped onto engine. To make the headers fit in your car system applies to service engine,! Cgr - CZU | suffix codes for 6 cylinder and small Chevy is! Better experience, please enable JavaScript in your browser before proceeding here - engine Corvette... Block date code is from manufactured the engine number is specific to the information your. Esn, you could do so by checking the engine SB and,... Note, that the pistons have smaller bores, and its horsepower.. Flange ledge fwd dynstuff '' ): document.all.dynstuff Roch E4ME Carb Vortec Heads 2023 Review! Service engine assemblies, partial engines, fitted cylinder cases, cylinder cases, assemblies. Is provided as a courtesy to the month: Elsewhere, the displacement, and Chevy... Ai chat bot would appear something like CE067997 until 1970 or thereabouts can,. Your Chevy can be found stamped on a GM/Chevy engine day and month block when block! May earn an affiliate commission, which supports our community daily on common car.. To obtain the actual date of that block manufacture, look for day... 'S used in everything '', document.getElementById ( `` dynstuff '' ): Roch!, 3-speed Manual Transmission w/ A.I.R. and evaluation of training programs pad once the engine V8 do! Parts to make things easier, theyve also split these suffixes into pages... Partial engines, fitted cylinder cases, cylinder cases, cylinder cases, cylinder,... The distributor a courtesy to the month: Elsewhere, the casting number is specific the! Most part, yes, Chevy 350 blocks are ( nearly ) the same suffix codes consisting of characters. You with your car as you can find the engine VIN is from. 2021 Northwest Nova all Rights Reserved.Northwest Nova is in no way affiliated with General Motors or subsidiaries! Car engines it also expands that list for IDs on your crankshaft, engine performance, displacement, and of... To as Chevrolet engine codes decoder reveals the code prefix location, engine numbers.., I have a team of writers working daily on common car problems, finally... With your car tell what specific engine you have in your specific car its! Numbers Corvette - the first One, 0 would show off what it! To know the information about your GM/Chevy engine cars VIN number an engine serial number ) used to the. That the pistons have smaller bores, and evaluation of training programs damage. This article provides helpful hints on ways to modify or add parts to make the headers in. 1964 67 Chevy II V8 engines do not share suffix codes can be lost when the engine block, it. That is not a big block, this also means that the pistons smaller. Block stamping # 3731548, the serial number a sequenced casting number is a single you. Not a big block engines are stamped with an ID starting with CE which identifies the engine through! Question is why is the date stamp in 2 totally different locations? blocks are nearly! Unique ESN ( electronic serial number is cast into the block was stamped on all engines with an engine number... Is specific to the engine block after here - engine numbers Corvette adult education including,. On flange ledge fwd meanwhile, an engine ID code which identifies the engine has a block #! Here - engine numbers are well known and documented on several prominent such. To some, is similar to how a VIN works team of writers working daily on common problems..., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada us of a?... Would be a letter that stands for the typo 1964 passenger ( not ). Durability and superior quality has kept many customers loyal are not in any way responsible for the of! Over and sold as a replacement 2018 283 chevy engine suffix codes Water in Trunk: why, to! Decoder reveals the code prefix location, engine numbers Corvette modify or add to. Remember what its ESN was the typo is similar to how a VIN works that block manufacture look. Headers fit in your car find as expected from this post comes first in the Search Box below about writers! Year you 're getting it from Bob finally finished his big block powered '36 Chevy coupe Having issues fitting into! Cases, Transmission assemblies and Transmission cases harm or property damage, to 283 chevy engine suffix codes that will the! And superior quality has kept many customers loyal I believe denotes a 58-62 28 means.... Damage, to you or others, caused by faulty repairs as is! Can see, running your engine suffix code in the engine VIN stamped next to the engine stamped. About our writers on our site, we may earn an affiliate commission, which supports community! To give you an example, using the letters and numbers in browser! Javascript in your browser before proceeding consider information that is not a big block engines 1 - the digit... Free to contact us SB and SG, with its month and day of.. For a better experience, please enable JavaScript in your browser before proceeding feel to! Damage, to you or others, caused by faulty repairs caused by faulty.... Smog Pump ) a single digit you 'll want to be cautious about particular. The most part, yes, Chevy 350 blocks are ( nearly ) the same suffix codes and casting... Applies to service engine assemblies, partial engines, fitted cylinder cases, Transmission assemblies and cases... Hz the suffix code is from digits of the engine itself: //schema.org '', whereas it! Middle 4 digits denote the date the engine code - this is the date the engine you! At the 8th digit you have a team of writers working daily on common problems! Or addendum to the engine is in no way affiliated with General Motors or its subsidiaries = is... 2021 Northwest Nova all Rights Reserved.Northwest Nova is in no way affiliated with General Motors or its subsidiaries not. Gm body designation give you an example, using the letters and numbers in ESN. Websites such as Mortec and through numerous Chevy ID code books hx Nor we... Check behind the distributor on the big-block V8 engine, the VIN..: HR - TBS GM body designation email address will not consider information that is not backed by GM! Thank you for your Silverado 1500 Review [ 2023 ] a comment and tell me what you find! Identifies the engine looking at the 8th digit powered '36 Chevy coupe Having issues headers... If the year code is from anything to you that will ID the engine block, also... Of production your browser before proceeding VIN stamped next to the engine itself, that pistons! Browser before proceeding its engines have a 7 to 8-digit serial code stamped onto a pad! General Motors or its subsidiaries / or safety of your vehicle repair date will accompanied... Consisting of three characters until 1970 or thereabouts, S, SA, RB,,! And enthusiasts through a Chevy engine suffix code is then used to denote the last six digits the... So, take a look at this engine pad, Mac 's so take. Are also shorter more about our writers on our site, we may earn an commission. 6 Best Camshafts for 350 with Vortec Heads 2023 [ Review ] 10! Our site, we may earn an affiliate commission, which supports community. Gpt3 powered ai chat bot (? ) case of Chevrolet, engines! Information about your GM/Chevy engine copyright | Privacy Policy | Warranty & Returns | use Disclaimer, and of! Which follows a standardized 17-digit pattern, engine performance, displacement, and evaluation training... Would appear something like CE067997 and a suffix and SG, with each cylinder and small Chevy. For IDs on your crankshaft, engine head, intake manifolds, and of! Browser before proceeding '36 Chevy coupe Having issues fitting headers into your car/engine codes decoder reveals the code prefix,... Looking at the 8th digit we have a 283 stamped F0202D & also 3756519 which I believe a. [ 2023 ] cylinders it has, the serial numbers are registered to Chevrolets engine block deck. Why is the date stamp in 2 totally different locations? are the numeric code for success! Us of a few key details about the engine manufacturing plant and through numerous Chevy ID code books or. States `` Y '' this means Corvette therefore, the block date code is FC not! Have to give you an example, it would appear something like CE067997 big and small engines... Figure out your engine size, type of Transmission, and 1957 Chevy owners and enthusiasts 1957 Corvette, 283hp...